for the senate on the issue of elizabeth warren's ethnicity and what he thinks it really is. >> professor warren claimed that she was a native american, a person of color, and as you can see, she's not. that being said, she checked the box and she had an opportunity, actually, to make a decision throughout her career, when she apply to penn and harvard, she checked the box claiming she was a native american. and you know, clearly she's not. >> clearly. "clearly she's not." that was how he opened up his first debate against elizabeth warren. the very first ad that scott brown aired after that first debate was not an ad addressing any specific issues in the country or in the senate race, but rather an ad attacking elizabeth warren on the basis of race. scott brown has had a campaign website up for weeks in which he describes elizabeth warren as a, quote, fake indian. that's the language he uses on his website. after all of that, scott brown said yesterday while he did not condone the tomahawk chop, war whoop, making fun of native americans behavior by his senate staffers, he said that he did think